WaterVerge

Is Callisburg, TX Tap Water Safe to Drink?

Graded A-, with 5 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: TX0490013
Overall Score
88.1 / 100
Violations
5 active
Last Updated
May 2026
Source
Groundwater
#90 of 1067 in Texas Top 23% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.1/100
waterverge.com
A- 88.1/100

Callisburg, TX — Water Quality Report

Callisburg's drinking water received a grade of A- (88.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,277 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 9 violations on record, including 0 health-based violations. 5 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Callisburg's water

Callisburg ranks #90 out of 1067 cities in Texas for water quality, placing it one of the best in the state.

Callisburg relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Callisburg may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
88.1 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.1/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Callisburg, TX water safe to drink?

Concerns Identified

Callisburg's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,277 residents using groundwater (wells).

5
Active Violations
0.0 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Callisburg

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Callisburg's water quality assessment. Grade: A- (88.1/100).

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
HURRICANE RITA

Federal disaster declaration (FEMA DR-1606). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Callisburg's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Callisburg's water system has 9 total violations on record, including 0 health-based violations. 5 remain unresolved.

MROtherMON
Most recent violations:
Oct 2020 Lead and Copper Rule Open
Jan 2020 Chlorine Resolved
Jul 2018 Consumer Confidence Rule Open
Aug 2017 Public Notice Open
Jul 2017 Consumer Confidence Rule Open

Flood & environmental risk

Cooke County has experienced 2 federally declared disasters since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Elm Fk Trinity Rv At Gainesville, Timber Ck Nr Collinsville.

SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
HURRICANE RITA
Hurricane FEMA DR-1606

Where does Callisburg's water come from?

Callisburg's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,277 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Elm Fk Trinity Rv At Gainesville (river), Timber Ck Nr Collinsville (river).

What Callisburg residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Callisburg's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

9
Total violations
0
Health-based
5
Active / unresolved
Oct 2020
Most recent violation
Compliance Record

Violations & advisories

9 Total
5 Active
0 Health-based
4 Resolved
Violations by category
Consumer Confidence Rule
2
Total Coliform Rule
2
Lead and Copper Rule
1
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Public Notice Rule and Revised PN Rule
1
Oct 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Aug 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2020 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2020
Jul 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2016
Nov 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2003
May 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2003
Industrial pollution

Top industrial polluters within 10 miles of Callisburg

Industrial polluters nearby

Reported releases to surface water by facilities near Callisburg, ranked by pounds discharged annually.

Total reported releases to surface water: 1 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
PPG INDUSTRIES INC TX
Chemicals · PPG INDUSTRIES INC
GAINESVILLE, TX76240
Zinc compounds18.2 mi
MOLDED FIBER GLASS COMPANIES/TEXAS
Plastics and Rubber · MOLDED FIBER GLASS CO
GAINESVILLE, TX76240
8.2 mi
IFS COATINGS INC.
Chemicals · CASTEC INC
GAINESVILLE, TX76240
8.1 mi
BMCA GAINESVILLE LLC
Plastics and Rubber · G HOLDINGS INC
GAINESVILLE, TX76240
8.4 mi
NOVITA SOLUTIONS LLC
Chemicals · NA
GAINESVILLE, TX76240
8.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Cooke County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

15.1%
Months in D2+ (last 30y)
3
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

2
Declared disasters
May 2024
Most recent
Flood
Most common type

Cooke County has experienced 2 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2024
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA #4781
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 1.0 ppb from 1994 (1.0 ppb) to 2024 (0.0 ppb).
Contaminant Rankings

See how Callisburg compares by contaminant

Explore where Callisburg ranks among all Texas cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,277
Water Systems
1
Water Source

Where Callisburg's water comes from

Groundwater

Callisburg's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 2,277 people through 1 water system.

Local Hydrology

Water bodies near Callisburg

Callisburg is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Elm Fk Trinity Rv At Gainesville
river
Timber Ck Nr Collinsville
river
Infrastructure

Water systems serving Callisburg

System Name PWSID Population Source
CITY OF CALLISBURG TX0490013 2,277 GW
Regional Comparison

How Callisburg compares

Full Texas rankings →

Callisburg's score of 88.1/100 is above the average of 46/100 among major Texas cities. It outscores 10 of 10 nearby cities.

Callisburg (this city)
88.1
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Callisburg, TX

Wikipedia →

Callisburg is a city in Cooke County, in the U.S. state of Texas. The population was 321 at the 2020 census, down from 353 at the 2010 census.

Economic Profile
$49,167
Median Income
$161,428
Median Home Value
$1,375/mo
Median Rent
1.1%
Unemployment
Community
29.8
Median Age
57
People / sq mi
11.5%
College Educated
68.6%
Homeownership
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Frequently asked questions

Is Callisburg, TX tap water safe to drink?

Callisburg's water quality earned a grade of A- (88.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #90 out of 1067 cities tested in Texas.

What contaminants are in Callisburg's water?

Lead was measured at 0.0 ppb (90th percentile). 9 violations are on record.

How is Callisburg's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Callisburg?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Callisburg's water come from?

Callisburg's water is sourced from Groundwater. The city has 1 water system serving approximately 2,277 residents.

Is Callisburg's groundwater at risk of contamination?

Callisburg uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 9 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Callisburg's water compare to other cities?

Callisburg ranks #90 out of 1067 cities in Texas (better than 92% of state cities) and #3640 out of 15744 cities nationally (77th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Callisburg's small water system affect quality?

Callisburg's system serves approximately 2,277 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 9 violations on record.